A printing apparatus including a second recorder mounted upon a first recorder

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(11)

EP 0 435 571 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	06.11.1991 Bulletin 1991/45

(43)	Date of publication A2:
	03.07.1991 Bulletin 1991/27

(21)	Application number: 90313993.9

(22)	Date of filing: 20.12.1990

(51)	International Patent Classification (IPC)⁵: B41J 29/40, B41J 3/54

(84)	Designated Contracting States:
	DE FR GB

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Priority:

26.12.1989 US 456412

(71)	Applicant: NCR INTERNATIONAL INC.
	Dayton, Ohio 45479 (US)

(72)	Inventors:
	Wilson, Hillis L. Groton, New York 13073 (US) Yaichuk, Peter W. Groton, New York 13073 (US) Davenport, Michael B. Ithaca, New York 14850 (US) Stare, Jack W. Dryden, New York 13053 (US) Bossack, Thomas J. Candor, New York 13743 (US)

(74)	Representative: Robinson, Robert George
	International Patent Department NCR Limited 915 High Road North Finchley London N12 8QJ London N12 8QJ (GB)

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References cited: :

(54)	A printing apparatus including a second recorder mounted upon a first recorder

(57) A printer including a first and second recorder (38,54). The first recorder (38) is for printing a first set of data on a document (18), such as a receipt document. The second (piggyback) recorder (54) is detachably mounted piggyback onto the first recorder, thereby providing a second recorder to the terminal for printing a second set of data on the document. The piggyback recorder (54) comprises a piggyback print member (58) which is capable of printing the second set of data, a mounting member (60) for mounting the piggyback print member directly onto a first print member of the first recorder, a piggyback platen (76), a second mounting member (78) for mounting the piggyback platen directly onto a first platen (44) of the piggyback recorder, and a solenoid (102) for providing relative movement between the piggyback print member and the piggyback platen. After the piggyback recorder is mounted on the first recorder, the controller (14) can energize the solenoid to cause the piggyback platen (76) to impact the piggyback print member (58), thereby effecting the printing of the second set of data on the document when the document is located in a printing position between the piggyback print member and piggyback platen.

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